/*
 * Copyright 2010-2025 Hyland Software, Inc. and its affiliates.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
package org.activiti.engine.impl.cmd;

import com.fasterxml.jackson.databind.node.ObjectNode;
import java.io.Serializable;
import java.util.Optional;
import org.activiti.engine.ActivitiIllegalArgumentException;
import org.activiti.engine.impl.interceptor.Command;
import org.activiti.engine.impl.interceptor.CommandContext;
import org.activiti.engine.impl.persistence.deploy.DeploymentManager;
import org.activiti.engine.impl.persistence.deploy.ProcessDefinitionInfoCacheObject;
import org.activiti.engine.repository.ProcessDefinition;

/**

 */
public class GetProcessDefinitionInfoCmd implements Command<ObjectNode>, Serializable {

    private static final long serialVersionUID = 1L;

    protected String processDefinitionId;
    protected ProcessDefinition processDefinition;

    public GetProcessDefinitionInfoCmd(String processDefinitionId) {
        this.processDefinitionId = processDefinitionId;
    }

    public GetProcessDefinitionInfoCmd(ProcessDefinition processDefinition) {
        this(processDefinition.getId());
        this.processDefinition = processDefinition;
    }

    public ObjectNode execute(CommandContext commandContext) {
        if (processDefinitionId == null) {
            throw new ActivitiIllegalArgumentException("process definition id is null");
        }

        DeploymentManager deploymentManager = commandContext.getProcessEngineConfiguration().getDeploymentManager();
        // make sure the process definition is in the cache
        var processDefinition = resolveProcessDefinition(deploymentManager);

        return executeInternal(deploymentManager, commandContext, processDefinition);
    }

    protected ProcessDefinition resolveProcessDefinition(DeploymentManager deploymentManager) {
        return Optional.ofNullable(processDefinition).orElseGet(() ->
            deploymentManager.findDeployedProcessDefinitionById(processDefinitionId)
        );
    }

    protected ObjectNode executeInternal(
        DeploymentManager deploymentManager,
        CommandContext commandContext,
        ProcessDefinition processDefinition
    ) {
        ObjectNode resultNode = null;
        ProcessDefinitionInfoCacheObject definitionInfoCacheObject = deploymentManager
            .getProcessDefinitionInfoCache()
            .get(processDefinitionId);
        if (definitionInfoCacheObject != null) {
            resultNode = definitionInfoCacheObject.getInfoNode();
        }
        return resultNode;
    }
}
